Calculate deflection for multi-span steel beams using EN 1993-1-1 §7.2.1 SLS checks. Supports UDL, point loads, and end moments on pinned, fixed, and cantilever spans. Applies quasi-permanent factor (ψ₂) for long-term effects. IPE / HEA / HEB sections.
Overall SLS Deflection Status — EN 1993-1-1 §7.2.1
—
Per-Span Deflection Summary
Span
L (m)
Support
δ_mid (mm)
δ_total (mm)
δ/L ratio
Class
L/250 — acceptable
L/200 — pre-camber
>L/200 — redesign
Bending Moment Diagram (schematic — M diagram)
Bending moment diagram — parabolic for UDL on simply-supported spans
Section Properties —
Depth d (mm)
Flange width b (mm)
Web thickness tw (mm)
Flange thickness tf (mm)
Ix (cm⁴)
W_el (cm³)
A (cm²)
Mass (kg/m)
Email calculation report
Enter your email to receive a formatted deflection report.